The Schneider Electric Square D SD-4210 is a fusible bus switch designed for robust power distribution in commercial and industrial settings. This 3-phase, 4-wire unit is engineered to provide reliable circuit protection and isolation. Its construction is suitable for applications requiring a dependable disconnect and overcurrent protection in a single device.

Technical details

• Series: Square D SD Series
• Configuration: Fusible Bus Switch
• Phase: 3-Phase
• Wire Configuration: 4-Wire
• Current Rating: 100 Amps
• Maximum Voltage: 240VAC
• Switch Type: Fusible Disconnect
• Enclosure Type: Typically NEMA rated for industrial environments (verify specific rating against manufacturer datasheet)

Applications & compatibility

This fusible bus switch is commonly employed in electrical distribution panels, motor control centers, and power distribution units within manufacturing facilities, processing plants, and commercial buildings. It serves as a critical component for safely isolating and protecting electrical loads such as motors, transformers, and branch circuits.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D SD-4210 or contact our technical team for cross-reference assistance with compatible Square D components.